An unusually wet monsoon, increased human mobility and climate change are reasons why this year’s dengue outbreak in Nepal has been the worst so far. Already, six people have lost their lives and more than 8,000 are receiving treatment. Over 80,000 have been infected, but control efforts have been sorely lacking.
The newest epidemic to hit Nepal has struck ministers, politicians, businessmen and doctors, drawing attention to tropical diseases migrating to higher altitudes. Early rains provided ideal breeding grounds for disease-carrying mosquitoes that are migrating up the mountains as the earth heats up.
“Vector insects are moving up the Himalaya as warming increases, and so are the diseases they carry. Climate change is leading to changes in the geographic pattern of diseases,” said Meghnath Dhimal of the Nepal Health Research Council. “We need to adjust to this new reality and be prepared for more frequent outbreaks.”
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Maria Diuk-Wasser of the Yale School of Public Health confirmed the trend in a recent article in the journal Scientific American: ‘The direct effects of temperature increase are an increase in immature mosquito development, virus development and mosquito biting rates, which increase the contact rates with humans.’
The government has been slow to act, despite being in the habit of blaming everything and anything on climate change. The climate emergency is just the latest crisis to hit Nepal, making all our pre-existing problems worse.
And while mitigation efforts to reduce emissions in Nepal are not going to make a difference globally, given our negligible contribution to atmospheric carbon, switching to renewable energy sources is good for both the economy and ecology.
